Question about Sony KV-32FS12 32" TV

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Sony KV-32FS12 powers on however the screen is blank, and the red led on the front panel blinks 4

Hi...My Sony KV-32FS12 powers on however the screen is blank, and the red led on the front panel blinks 4 times...Thanks...David

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4 Suggested Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Sony wega model KV-32FS12

Probably a defective horizontal output transformer , also check the horizontal output transistor. Both parts available from tritronicsinc.com

Posted on Jan 28, 2008

priyabrat
  • 123 Answers

SOURCE: Sony KV-32FS12 32" TV

Hi
          It is a problem of high voltage transformer.Better change it.
                             or 
High voltage supply is what give the high voltage power, consisting of components. You ask for this or do you mean you need the High Voltage Transformer or another Item on the board? Do not understand!!
                             or
    Test the Switching Transformer
SMPS switching transformers, like flyback
transformers, are high Q transformers.
They are responsible for transferring a
large amount of energy in a short period
of time. A single turn short will shut down
the SMPS. Be sure to use the patented
Sencore ringing test to test any suspect
switching transformer.
                   or
call - 1-800-736-2673(toll free)
Good Luck
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Posted on Jan 28, 2008

SOURCE: Sony KV-32FS120 blinks 4 times

good day.
Have you tried first resoldering the terminals in the circuitry?
Also, try to check for the ABL supply near the flyback. Watch out for the small voltage zener diodes.


response is highly appreciated.


chris

Posted on Mar 28, 2008

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